| NUMBER | NAME | COUNTY | LAT | LON |
| OH02 | Abbotts Island | Seneca | 411113N | 0830907W |
| OH04 | Artist Island | Logan | 402809N | 0835306W |
| OH05 | Austin Island | Clinton | 392307N | 0835337W |
| OH01 | Ballast Island | Ottawa | 414045N | 0824700W |
| OH04 | Bank Island | Logan | 402822N | 0835304W |
| OH05 | Bass Island | Hamilton | 390806N | 0842054W |
| OH01 | Bass Islands | Ottawa | 414100N | 0824845W |
| OH06 | Beach Island | Licking | 395533N | 0822807W |
| OH04 | Bellefontaine Island | Logan | 402843N | 0835340W |
| OH08 | Big Island | Scioto | 384703N | 0830002W |
| OH04 | Big Walnut Isle | Logan | 403031N | 0835137W |
| OH06 | Black Hand Rock | Licking | 400312N | 0821346W |
| OH05 | Blackberry Island | Shelby | 402157N | 0842102W |
| OH04 | Blackhawk Island | Logan | 403025N | 0835437W |
| OH01 | Blue Grass Island | Lucas | 413302N | 0834016W |
| OH03 | Bluebell Island | Tuscarawas | 402928N | 0812816W |
| OH07 | Boggs Island | Belmont | 400144N | 0804407W |
| OH06 | Bope Island | Licking | 395525N | 0822521W |
| OH01 | Bradys Island | Sandusky | 412112N | 0830630W |
| OH06 | Brundage Island | Perry | 395537N | 0822710W |
| OH01 | Butler Island | Lucas | 412807N | 0834518W |
| OH01 | Buttonwood Island | Wood | 412453N | 0835211W |
| OH05 | Campobello Island | Montgomery | 394950N | 0840940W |
| OH01 | Caseys Island | Wood | 412552N | 0834855W |
| OH06 | Castle Island | Fairfield | 395408N | 0823057W |
| OH01 | Catawba Island | Ottawa | 413351N | 0825023W |
| OH06 | Charleston Island | Perry | 395537N | 0822730W |
| OH04 | Chippewa Island | Logan | 403036N | 0835320W |
| OH06 | Circle Island | Fairfield | 395510N | 0822920W |
| OH01 | Clark Island | Lucas | 413656N | 0833437W |
| OH07 | Copeland Island | Muskingum | 400432N | 0815856W |
| OH01 | Corbutt Island | Lucas | 413711N | 0833408W |
| OH06 | Crane Island | Licking | 395553N | 0822828W |
| OH04 | Crane Town Island | Logan | 402936N | 0835225W |
| OH05 | Crawford Island | Shelby | 402130N | 0842122W |
| OH04 | Crystal Beach | Logan | 402819N | 0835250W |
| OH07 | Dana Island | Washington | 393251N | 0813620W |
| OH01 | Delaware Island | Lucas | 413629N | 0833515W |
| OH06 | Elm Island | Licking | 395534N | 0822801W |
| OH04 | Ewing Island | Logan | 403035N | 0835220W |
| OH04 | Ewing Island | Logan | 403024N | 0835027W |
| OH01 | Ewing Island | Lucas | 413357N | 0833813W |
| OH04 | Fawn Island | Logan | 403052N | 0835240W |
| OH04 | Fawn Island | Logan | 403052N | 0835241W |
| OH01 | Fox Island | Lucas | 412553N | 0834932W |
| OH06 | Gibson Island | Fairfield | 395524N | 0822812W |
| OH01 | Gilbraltar Island | Ottawa | 413930N | 0824916W |
| OH01 | Girty Island | Henry | 411944N | 0840914W |
| OH04 | Governors Island | Logan | 402937N | 0835147W |
| OH01 | Granger Island | Lucas | 412941N | 0834255W |
| OH01 | Grape Island | Lucas | 413358N | 0833834W |
| OH01 | Grassy Island | Lucas | 414200N | 0832715W |
| OH01 | Grassy Island | Wood | 413550N | 0833451W |
| OH01 | Grave Island | Lucas | 412756N | 0834500W |
| OH01 | Graveyard Island | Sandusky | 412646N | 0825846W |
| OH01 | Green Island | Ottawa | 413845N | 0825200W |
| OH05 | Guards Island | Hamilton | 390753N | 0844828W |
| OH01 | Hedges Island | Wood | 412649N | 0834656W |
| OH06 | Hickory Island | Perry | 395529N | 0822532W |
| OH01 | Hickory Island | Sandusky | 412611N | 0825950W |
| OH01 | Horseshoe Island | Ottawa | 412735N | 0830204W |
| OH01 | Howard Island | Wood | 412450N | 0835224W |
| OH01 | Indian Island | Lucas | 412749N | 0834530W |
| OH05 | Island Number 3 | Miami | 400031N | 0841122W |
| OH07 | Jackson Island | Muskingum | 400226N | 0815909W |
| OH01 | Johnson Island | Ottawa | 412942N | 0824413W |
| OH06 | Journal Island | Fairfield | 395456N | 0822954W |
| OH06 | Keller Island | Fairfield | 395428N | 0823015W |
| OH02 | Kelleys Island | Erie | 413549N | 0824237W |
| OH02 | Kelleys Island | Erie | 413615N | 0824227W |
| OH06 | Kimball Island | Fairfield | 395521N | 0822832W |
| OH04 | Lake Ridge Island | Logan | 402904N | 0835152W |
| OH06 | Liebs Island | Fairfield | 395426N | 0823123W |
| OH04 | Little Walnut Isle | Logan | 403033N | 0835145W |
| OH04 | Long Island | Logan | 403017N | 0835106W |
| OH01 | Marengo Island | Lucas | 413523N | 0833558W |
| OH07 | McConnells Island | Morgan | 393840N | 0815056W |
| OH10 | Middle Bass Island | Ottawa | 414045N | 0824840W |
| OH01 | Millers Island | Wood | 412604N | 0834838W |
| OH04 | Minnewauken Island | Logan | 402908N | 0835238W |
| OH01 | Missionary Island | Lucas | 412815N | 0834500W |
| OH03 | Moose Island | Tuscarawas | 402540N | 0812226W |
| OH01 | Mouse Island | Ottawa | 413528N | 0824959W |
| OH06 | Mud Island | Fairfield | 395501N | 0823116W |
| OH02 | Myers Island | Summit | 410004N | 0813256W |
| OH01 | Nagg Island | Lucas | 414200N | 0832700W |
| OH04 | Neely Island | Logan | 402830N | 0835306W |
| OH10 | North Bass Island | Ottawa | 414300N | 0824900W |
| OH01 | Number 3 Island | Wood | 412531N | 0835025W |
| OH06 | Orchard Island | Fairfield | 395502N | 0822946W |
| OH01 | Otter Island | Wood | 412655N | 0834651W |
| OH04 | Paradise Island | Logan | 402849N | 0835352W |
| OH01 | Peach Island | Sandusky | 412702N | 0825912W |
| OH06 | Peterson Island | Licking | 395528N | 0822525W |
| OH04 | Pew Island | Logan | 402945N | 0835242W |
| OH04 | Pony Island | Logan | 403044N | 0835101W |
| OH01 | Presque Isle | Lucas | 414142N | 0832724W |
| OH01 | Preston Island | Defiance | 411715N | 0842015W |
| OH03 | Ram Island | Lake | 414406N | 0811614W |
| OH01 | Rattles Islands, The | Ottawa | 414052N | 0825136W |
| OH01 | Rattlesnake Island | Ottawa | 414045N | 0825100W |
| OH04 | Red Oak Island | Logan | 403045N | 0835235W |
| OH04 | Richard Island | Logan | 402922N | 0835118W |
| OH06 | Ridenour Island | Perry | 395533N | 0822547W |
| OH01 | Roche de Boeuf | Lucas | 412912N | 0834346W |
| OH05 | Rohrers Island | Montgomery | 394729N | 0840642W |
| OH06 | Round Island | Fairfield | 395511N | 0822925W |
| OH01 | Safety Island | Mercer | 403130N | 0843146W |
| OH01 | Sand Island | Henry | 411818N | 0841321W |
| OH04 | Seminole Island | Logan | 403000N | 0835215W |
| OH04 | Shawnee Island | Logan | 402948N | 0835153W |
| OH01 | Sheets Island | Wood | 412544N | 0834919W |
| OH06 | Sherman Island | Licking | 395525N | 0822529W |
| OH01 | Snake Island | Pickaway | 394708N | 0830839W |
| OH04 | Snow Island | Logan | 403040N | 0835225W |
| OH10 | South Bass Island | Ottawa | 413900N | 0824915W |
| OH04 | South Walnut Isle | Logan | 403026N | 0835144W |
| OH01 | Squaw Island | Sandusky | 412711N | 0825943W |
| OH01 | Starve Island | Ottawa | 413740N | 0824920W |
| OH01 | Sugar Island | Ottawa | 414130N | 0824938W |
| OH04 | Tecumseh Island | Logan | 402921N | 0835238W |
| OH04 | Turkey Foot Island | Logan | 402931N | 0835225W |
| OH02 | Turkeyfoot Island | Summit | 405823N | 0813224W |
| OH01 | Turtle Island | Lucas | 414509N | 0832328W |
| OH04 | Turtle Shell Island | Logan | 402828N | 0835228W |
| OH07 | Vienna Island | Washington | 392110N | 0813242W |
| OH06 | Watkins Island | Licking | 395543N | 0822900W |
| OH09 | West Sister Island | Lucas | 414421N | 0830618W |
| OH02 | Whiskey Island | Cuyahoga | 412945N | 0814300W |
| OH04 | Winnewauken Island | Logan | 402909N | 0835238W |
| OH04 | Wolf Island | Logan | 402902N | 0835308W |
| OH01 | Woodcock Island | Lucas | 412751N | 0834547W |
